Add: vim - multiple windows

cheat/cheatsheets/vim

@@ -63,3 +63,18 @@ d{motion}       delete text that {motion} moves over
 2dw         deletes 2 words
 5yy         copies 5 lines
 42G         go to line 42
+
+# Multiple windows
+:e filename      - edit another file
+:split filename  - split window and load another file
+ctrl-w up arrow  - move cursor up a window
+ctrl-w ctrl-w    - move cursor to another window (cycle)
+ctrl-w_          - maximize current window
+ctrl-w=          - make all equal size
+10 ctrl-w+       - increase window size by 10 lines
+:vsplit file     - vertical split
+:sview file      - same as split, but readonly
+:hide            - close current window
+:only            - keep only this window open
+:ls              - show current buffers
+:b 2             - open buffer #2 in this window